Weather on April 21
Saint Petersburg, FL
55 Years of Data
Avg High
82°F
Avg Low
67°F
Warmest
1982
81°F avg
Coldest
2019
63°F avg
About This Date
April 21st in Saint Petersburg, FL typically brings warm spring weather, with average highs around 82°F and lows near 67°F. Over 55 years of records, the warmest April 21st was in 1982 (81°F average), while the coldest was 2019 (63°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 9% of April 21st dates historically, with the wettest April 21st recording 2.16" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for April 21st in Saint Petersburg, FL? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 70° | 78° | — | — |
| 2024 | 81° | 73° | 77° | — | — |
| 2023 | 85° | 70° | 77° | — | — |
| 2022 | 82° | 69° | 76° | — | — |
| 2021 | 84° | 71° | 78° | — | — |
| 2020 | 83° | 70° | 76° | — | — |
| 2019coldest | 74° | 52° | 63° | — | — |
| 2018 | 86° | 69° | 78° | — | — |
| 2017 | 84° | 69° | 77° | — | — |
| 2016 | 84° | 69° | 77° | — | — |
| 2015 | 84° | 72° | 78° | — | — |
| 2014 | 73° | 64° | 69° | — | — |
| 2013 | 82° | 61° | 71° | 0.36" | — |
| 2012 | 79° | 66° | 72° | 1.78" | — |
| 2011 | 88° | 71° | 79° | — | — |
| 2010 | 81° | 65° | 73° | — | — |
| 2009 | 76° | 66° | 71° | — | — |
| 2008 | 81° | 64° | 72° | — | — |
| 2007 | 79° | 63° | 71° | — | — |
| 2006 | 84° | 73° | 79° | — | — |
| 2005 | 81° | 66° | 73° | — | — |
| 2004 | 79° | 66° | 72° | — | — |
| 2003 | 82° | 70° | 76° | — | — |
| 2002 | 86° | 74° | 80° | — | — |
| 2001 | 82° | 66° | 74° | — | — |
| 2000 | 79° | 67° | 73° | — | — |
| 1999 | 85° | 64° | 74° | — | — |
| 1998 | 78° | 67° | 72° | — | — |
| 1997 | 77° | 64° | 71° | — | — |
| 1996 | 85° | 67° | 76° | — | — |
| 1995 | 85° | 72° | 78° | — | — |
| 1994 | 84° | 69° | 77° | 0.23" | — |
| 1993 | 76° | 64° | 70° | — | — |
| 1992 | 77° | 68° | 73° | 2.16" | — |
| 1991 | 76° | 67° | 71° | — | — |
| 1990 | 81° | 66° | 73° | — | — |
| 1989 | 78° | 66° | 72° | — | — |
| 1988 | 80° | 63° | 71° | — | — |
| 1987 | 84° | 64° | 74° | — | — |
| 1986 | 80° | 62° | 71° | 0.08" | — |
| 1985 | 81° | 68° | 74° | — | — |
| 1984 | 84° | 64° | 74° | — | — |
| 1983 | 76° | 57° | 66° | — | — |
| 1982warmest | 89° | 73° | 81° | — | — |
| 1981 | 85° | 69° | 77° | — | — |
| 1980 | 80° | 63° | 71° | — | — |
| 1979 | 86° | 69° | 78° | — | — |
| 1978 | 79° | 63° | 71° | — | — |
| 1977 | 87° | 68° | 78° | — | — |
| 1976 | 83° | 67° | 75° | — | — |
| 1975 | 83° | 69° | 76° | — | — |
| 1974 | 85° | 66° | 75° | — | — |
| 1973 | 84° | 70° | 77° | — | — |
| 1972 | 88° | 72° | 80° | — | — |
| 1971 | 81° | 66° | 73° | — | — |
55 years of data from ST PETERSBURG ALBERT WHITTED A